Here are a couple shots of various 3" baseplates. The early one is currently on ebay through Westland military antiques at only £550 ($900 cdn or so). The second one shown is from the Australian War Memorial website, and the third is off a 3" mortar presently available from Collectors source here in Canada. The last shot is a scan from the 1937 manual for the 3" mortar.
My 3" mortar has the baseplate as pictured from collector's source......small holes and the chain for dragging it around.
Last edited by rob love; 29-11-14 at 21:24.
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